<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
  <cpn :c-info = info :child-my-message="message"></cpn>
</div>
<template id="cpn">
  <div>
    <h2>{{cInfo}}</h2>
    <h2>{{childMyMessage}}</h2>
  </div>
</template>
  <script src="../../../project_practice/lunbotu/vue.js"></script>
  <script>
    const cpn = {
      template:'#cpn',
      props:{
        cInfo:{
          type:Object,
          default() {
            return {};
          }
        },
        childMyMessage:{
          type:String,
          default:''
        }
      }
    }
    const app = new Vue({
      el:'#app',
      data:{
        message:'aaaaaaaaaaaaaaa',
        info:{
          name:'why',
          age:18,
          height:1.88
        }
      },
      components:{
        cpn
      }
    })
  </script>
</body>
</html>